fix: find actual MIOpen .so location and symlink to /opt/rocm/lib/

docker/Dockerfile

@@ -210,6 +210,15 @@ RUN set -ex && \
     done && \
     # miopen minimal config（强制覆盖，miopen-hip 可能不带 cmake config）
     mkdir -p /opt/rocm/lib/cmake/miopen && \
+    # 诊断: MIOpen 库实际位置
+    echo "=== MIOpen diagnostic ===" && \
+    find /opt -name "libMIOpen*" -o -name "libmiopen*" 2>/dev/null | head -10 && \
+    # 创建符号链接，确保链接器能找到
+    for so in $(find /opt -name "libMIOpen.so*" -o -name "libmiopen.so*" 2>/dev/null | head -1); do \
+        ln -sf "$so" /opt/rocm/lib/libMIOpen.so && \
+        echo "libMIOpen.so → $so"; \
+    done && \
+    ls -la /opt/rocm/lib/libMIOpen* 2>/dev/null || echo "WARNING: libMIOpen.so not found!" && \
     printf 'set(miopen_FOUND TRUE)\nset(miopen_VERSION "3.4.0")\nif(NOT TARGET miopen)\n  add_library(miopen SHARED IMPORTED)\n  set_target_properties(miopen PROPERTIES IMPORTED_LOCATION "/opt/rocm/lib/libMIOpen.so" INTERFACE_INCLUDE_DIRECTORIES "/opt/rocm/include")\nendif()\n' \
         > /opt/rocm/lib/cmake/miopen/miopen-config.cmake && \
     echo "miopen-config.cmake created (SHARED IMPORTED)." && \